%0 Book%A Airy, George Biddell,%D 1870%T A treatise on magnetism designed for the use of students in the university / by George Biddell Airy.%C London :%I Macmillan,%! A treatise on magnetism%L Q125 .L3 mp%K Geomagnetism%K Magnetism%G English%U http://www.biodiversitylibrary.org/item/67904%R 10.5962/bhl.title.25978